Ответ:
1 As a rule, he works in the office. 2 She always walks in this park. 3 Yesterday he got/ received a letter. 4 My sister washed the windows a week ago. 5 In two hours I will watch TV. 6 My brother usually buys exercise-books and pens. 7 Yesterday I didn’t revise the words. 8 I usually don’t watch TV in the morning. 9 A few years ago my grandfather played football. 10 Last week he cleaned the flower-bed. 11 You will buy this picture tomorrow. 12 He will play computer games tomorrow. 13 Mum had a rest in the garden an hour ago. 14 They brought discs last week. 15 He met her in the office yesterday. 16 She always writes her compositions well. 17 We often sing songs. 18 My dad always reads newspapers in the evening.19 Sometimes I play volleyball in the gym. 20 We often borrow books from the library.